Having design elements from the modernist movements of the 1920s, 30s, 40s, or 50s.

(film, uncountable) A subgenre that closely imitates or recreates the aesthetics and tropes of the classical noirs. / (countable, film) A work that closely imitates the classical noirs.

(rare) Nostalgia for past trends or media.

Directed or moving backwards in relation to the normal or previous direction of travel; retreating. / Reverting to an inferior or less developed state; declining, regressing.

In a reverse direction; backwards.

A movement backwards or opposite to the intended or normal motion. / (astrology) The apparent movement of a planet across the sky in the opposite direction from its ordinary movement.

(geography) To cause (a land feature such as a coastline or waterfall) to undergo retrogradation, that is, to travel in the direction of the land or upstream due to erosion.

The loss of memories from the period leading up to the amnesic episode.

(intransitive) To return to an earlier, simpler or worse condition; to regress. / (intransitive) To go backwards; to retreat. / (intransitive) To return to bad behaviour; to relapse.

A retrogression.